Manitowoc

WATER SYSTEM CHECKLISTA water-related problem often causes the samesymptoms as a refrigeration system componentmalfunction.Example: A water dump valve leaking during thefreeze cycle, a system low on charge, and a starvingTXV have similar symptoms.Water system problems must be identified andeliminated prior to replacing refrigeration components.Water area (evaporator) is dirty• Clean as neededWater inlet pressure not between 20 and 80 psig(1–5 bar, 138–552 kPa)• Install a water regulator valve or increase thewater pressureIncoming water temperature is not between 35°F(1.7°C) and 90°F (32.2°C)• If too hot, check the hot water line check valves inother store equipmentWater filtration is plugged (if used)• Install a new water filterVent tube is not installed on water outlet drain• See Installation InstructionsHoses, fittings, etc., are leaking water• Repair/replace as neededWater float valve is stuck open or closed• Clean/replace as neededWater is spraying out of the sump trough area• Stop the water sprayUneven water flow across the evaporator• Clean the ice machineWater is freezing behind the evaporator• Correct the water flowPlastic extrusions and gaskets are not secured tothe evaporator• Remount/replace as neededPart Number 80-01111-9 7/10 105